All Are Friends Montessori in San Mateo, CA serves 28 students in pre–kindergarten through kindergarten in a nonsectarian, suburban setting.
Founded in 2003, this coeducational early childhood program operates with one teacher and a student–teacher ratio of 28:1.
The school represents racial and ethnic diversity with 50% students of color.
As a member of the American Montessori Society, the school follows Montessori principles in its early learning curriculum.
Located in a large suburb, All Are Friends Montessori offers a focused program for families seeking a San Mateo preschool option.
Quick Facts (2026)
- School Type: Early Childhood / Day Care
- Grades: Prekindergarten-Kindergarten
- Enrollment: 28 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-Kindergarten
Year Founded
2003
School Calendar
Student Body
Total Students
28 students
Student Body Type
Co-ed
% Students of Color
50%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
1 teacher
Student-Teacher Ratio
28:1
National avg.: 11:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Application URL
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for All Are Friends Montessori?
The application deadline for All Are Friends Montessori is rolling (applications are reviewed as they are received year-round).
Nearby Private Schools
The nearest high school to All Are Friends Montessori is Fusion Academy San Mateo - Foster City (0.8 miles away)
The nearest elementary school is Ronald C Wornick Jewish Day School (0.2 miles away)
The nearest preschool is Foster City KinderCare (0.4 miles away)
Show me:
School
Location
Miles
Quick Facts
800 Foster City Blvd, Bldg. 830
San Mateo, CA 94404
(650) 378-2600
San Mateo, CA 94404
(650) 378-2600
0.2 miles
Gr: K-8 | 200 students Avg. class size: 14 students Sports: 4 Tuition listed
Foster City KinderCare ![Foster City KinderCare Photo - Foster City KinderCare]( "Foster City KinderCare Photo - Foster City KinderCare")
Daycare / Preschool
1006 Metro Center Blvd.
San Mateo, CA 94404
(650) 573-6023
San Mateo, CA 94404
(650) 573-6023
0.4 miles
Gr: NS-PK
1998 Beach Park Blvd.
San Mateo, CA 94404
(650) 578-6691
San Mateo, CA 94404
(650) 578-6691
0.6 miles
Gr: K-5 | 232 students Avg. class size: 20 students Tuition listed
Fusion Academy San Mateo - Foster City ![Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.]( "Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.")
Alternative School
1840 Gateway Dr., Ste. 100
San Mateo, CA 94404
(877) 673-8893
San Mateo, CA 94404
(877) 673-8893
0.8 miles
Gr: 6-12 Avg. class size: 1 student Tuition & acceptance rate listed
1840 Gtwy Dr Ste 100
San Mateo, CA 94404
(949) 612-9242
San Mateo, CA 94404
(949) 612-9242
0.8 miles
Gr: 6-12 | 51 students
School
Location
Miles
Quick Facts
Fusion Academy San Mateo - Foster City ![Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.]( "Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.")
Alternative School
1840 Gateway Dr., Ste. 100
San Mateo, CA 94404
(877) 673-8893
San Mateo, CA 94404
(877) 673-8893
0.8 miles
Gr: 6-12 Avg. class size: 1 student Tuition & acceptance rate listed
1840 Gtwy Dr Ste 100
San Mateo, CA 94404
(949) 612-9242
San Mateo, CA 94404
(949) 612-9242
0.8 miles
Gr: 6-12 | 51 students
The Nueva School
Special Program Emphasis
131 E 28th Ave
San Mateo, CA 94403
(650) 235-7172
San Mateo, CA 94403
(650) 235-7172
2.3 miles
Gr: PK-12 | 967 students
Junipero Serra High School ![Junipero Serra High School Photo - Four members of Serra's mock trial team]( "Junipero Serra High School Photo - Four members of Serra's mock trial team")
All-boys (Catholic)
451 W 20th Ave
San Mateo, CA 94403
(650) 345-8207
San Mateo, CA 94403
(650) 345-8207
3 miles
Gr: 9-12 | 892 students Avg. class size: 24 students Sports: 16 | Extracurrculars: 58 Tuition & acceptance rate listed
Compass High School ![Compass High School Photo]( "Compass High School Photo")
Special Education School
1500 Ralston Avenue
Belmont, CA 94002
(650) 437-2100
Belmont, CA 94002
(650) 437-2100
3.1 miles
Gr: 9-12 | 37 students Avg. class size: 6 students Sports: 4 | Extracurrculars: 7 Tuition listed
School
Location
Miles
Quick Facts
800 Foster City Blvd, Bldg. 830
San Mateo, CA 94404
(650) 378-2600
San Mateo, CA 94404
(650) 378-2600
0.2 miles
Gr: K-8 | 200 students Avg. class size: 14 students Sports: 4 Tuition listed
1998 Beach Park Blvd.
San Mateo, CA 94404
(650) 578-6691
San Mateo, CA 94404
(650) 578-6691
0.6 miles
Gr: K-5 | 232 students Avg. class size: 20 students Tuition listed
Fusion Academy San Mateo - Foster City ![Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.]( "Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.")
Alternative School
1840 Gateway Dr., Ste. 100
San Mateo, CA 94404
(877) 673-8893
San Mateo, CA 94404
(877) 673-8893
0.8 miles
Gr: 6-12 Avg. class size: 1 student Tuition & acceptance rate listed
1840 Gtwy Dr Ste 100
San Mateo, CA 94404
(949) 612-9242
San Mateo, CA 94404
(949) 612-9242
0.8 miles
Gr: 6-12 | 51 students
The Nueva School
Special Program Emphasis
131 E 28th Ave
San Mateo, CA 94403
(650) 235-7172
San Mateo, CA 94403
(650) 235-7172
2.3 miles
Gr: PK-12 | 967 students
School
Location
Miles
Quick Facts
Foster City KinderCare ![Foster City KinderCare Photo - Foster City KinderCare]( "Foster City KinderCare Photo - Foster City KinderCare")
Daycare / Preschool
1006 Metro Center Blvd.
San Mateo, CA 94404
(650) 573-6023
San Mateo, CA 94404
(650) 573-6023
0.4 miles
Gr: NS-PK
St. Ambrose Sea Breeze School
Daycare / Preschool (Episcopal)
900 Edgewater Blvd
San Mateo, CA 94404
(650) 574-5437
San Mateo, CA 94404
(650) 574-5437
1.1 miles
Gr: NS-PK | 196 students Avg. class size: 24 students
Kubo Montessori
Montessori School
2131 S Norfolk St
San Mateo, CA 94403
(650) 345-3102
San Mateo, CA 94403
(650) 345-3102
1.5 miles
Gr: PK-K | 8 students
Bay Meadows KinderCare ![Bay Meadows KinderCare Photo - Bay Meadows KinderCare Front]( "Bay Meadows KinderCare Photo - Bay Meadows KinderCare Front")
Daycare / Preschool
1350 Wayne Way
San Mateo, CA 94403
(650) 577-0257
San Mateo, CA 94403
(650) 577-0257
1.7 miles
Gr: NS-PK | 114 students Tuition listed
The Nueva School
Special Program Emphasis
131 E 28th Ave
San Mateo, CA 94403
(650) 235-7172
San Mateo, CA 94403
(650) 235-7172
2.3 miles
Gr: PK-12 | 967 students
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
Brewer Island Elementary School
(Math: 80-84% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
1151 Polynesia Dr.
San Mateo, CA 94404
(650) 312-7532
San Mateo, CA 94404
(650) 312-7532
0.2 miles
Gr: K-5 | 306 students Student-Teacher Ratio: 22:1 Minority enrollment: 86%
Audubon Elementary School
(Math: 71% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
841 Gull Ave.
San Mateo, CA 94404
(650) 312-7500
San Mateo, CA 94404
(650) 312-7500
0.6 miles
Gr: K-5 | 445 students Student-Teacher Ratio: 22:1 Minority enrollment: 83%
1170 Chess Dr.
San Mateo, CA 94404
(650) 312-7766
San Mateo, CA 94404
(650) 312-7766
0.6 miles
Gr: K | 1 student
Beach Park Elementary School
(Math: 80-84% | Reading: 70-79%)
Rank:
Rank:
10/
Top 5%10
1058 Shell Blvd.
San Mateo, CA 94404
(650) 312-7490
San Mateo, CA 94404
(650) 312-7490
0.7 miles
Gr: K-5 | 347 students Student-Teacher Ratio: 23:1 Minority enrollment: 80%
Bowditch Middle School
(Math: 74% | Reading: 77%)
Rank:
Rank:
10/
Top 10%10
1450 Tarpon St.
San Mateo, CA 94404
(650) 312-7680
San Mateo, CA 94404
(650) 312-7680
0.9 miles
Gr: 6-8 | 929 students Student-Teacher Ratio: 21:1 Minority enrollment: 83%
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